{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "The ability of chiral beta - amino alcohols to catalyze the direct asymmetric aldol reaction was evaluated for the first time in aqueous micellar media ."}
{"Chemical": ["chiral beta - amino alcohols", "aldol"]}